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(6505834447)ShahsavariShamsoddin, Erfan (57208402503)Erfan (57208402503)ShamsoddinSharew, Mequannent Melaku (57224505062)Mequannent Melaku (57224505062)SharewSharifi-Rad, Javad (56022647300)Javad (56022647300)Sharifi-RadShetty, Jeevan K. (15844347300)Jeevan K. (15844347300)ShettyShivakumar, K.M. (57221603938)K.M. (57221603938)ShivakumarShobeiri, Parnian (57218601156)Parnian (57218601156)ShobeiriShorofi, Seyed Afshin (35086976700)Seyed Afshin (35086976700)ShorofiShrestha, Sunil (56453947500)Sunil (56453947500)ShresthaSiddappa Malleshappa, Sudeep K. (57208838253)Sudeep K. (57208838253)Siddappa MalleshappaSingh, Paramdeep (57202809996)Paramdeep (57202809996)SinghSingh, Jasvinder A. (58179112300)Jasvinder A. (58179112300)SinghSingh, Garima (57224794687)Garima (57224794687)SinghSinha, Dhirendra Narain (7201637609)Dhirendra Narain (7201637609)SinhaSolomon, Yonatan (57220875005)Yonatan (57220875005)SolomonSuleman, Muhammad (57196800921)Muhammad (57196800921)SulemanSuliankatchi Abdulkader, Rizwan (57226832737)Rizwan (57226832737)Suliankatchi AbdulkaderTaheri Abkenar, Yasaman (57211386327)Yasaman (57211386327)Taheri AbkenarTalaat, Iman M. (7801465176)Iman M. (7801465176)TalaatTan, Ker-Kan (16745396700)Ker-Kan (16745396700)TanTbakhi, Abdelghani (6602349888)Abdelghani (6602349888)TbakhiThiyagarajan, Arulmani (57208205338)Arulmani (57208205338)ThiyagarajanTiyuri, Amir (57201850751)Amir (57201850751)TiyuriTovani-Palone, Marcos Roberto (56644977900)Marcos Roberto (56644977900)Tovani-PaloneUnnikrishnan, Bhaskaran (12790012100)Bhaskaran (12790012100)UnnikrishnanVo, Bay (35147075900)Bay (35147075900)VoVolovat, Simona Ruxandra (44961657900)Simona Ruxandra (44961657900)VolovatWang, Cong (15924372200)Cong (15924372200)WangWesterman, Ronny (57218361023)Ronny (57218361023)WestermanWickramasinghe, Nuwan Darshana (55326938000)Nuwan Darshana (55326938000)WickramasingheXiao, Hong (57214631433)Hong (57214631433)XiaoYu, Chuanhua (57208140344)Chuanhua (57208140344)YuYuce, Deniz (57514476300)Deniz (57514476300)YuceYunusa, Ismaeel (57202137670)Ismaeel (57202137670)YunusaZadnik, Vesna (57202975428)Vesna (57202975428)ZadnikZare, Iman (57224488480)Iman (57224488480)ZareZhang, Zhi-Jiang (56068578400)Zhi-Jiang (56068578400)ZhangZoladl, Mohammad (53980736300)Mohammad (53980736300)ZoladlForce, Lisa M. (57188548035)Lisa M. (57188548035)ForceHugo, Fernando N. (13403199800)Fernando N. (13403199800)Hugo2025-06-122025-06-122023https://doi.org/10.1001/jamaoncol.2023.2960https://www.scopus.com/inward/record.uri?eid=2-s2.0-85174335406&doi=10.1001%2fjamaoncol.2023.2960&partnerID=40&md5=6444157b8eaa9375d72771c30aa2179ahttps://remedy.med.bg.ac.rs/handle/123456789/2459Importance: Lip, oral, and pharyngeal cancers are important contributors to cancer burden worldwide, and a comprehensive evaluation of their burden globally, regionally, and nationally is crucial for effective policy planning. Objective: To analyze the total and risk-attributable burden of lip and oral cavity cancer (LOC) and other pharyngeal cancer (OPC) for 204 countries and territories and by Socio-demographic Index (SDI) using 2019 Global Burden of Diseases, Injuries, and Risk Factors (GBD) Study estimates. Evidence Review: The incidence, mortality, and disability-adjusted life years (DALYs) due to LOC and OPC from 1990 to 2019 were estimated using GBD 2019 methods. The GBD 2019 comparative risk assessment framework was used to estimate the proportion of deaths and DALYs for LOC and OPC attributable to smoking, tobacco, and alcohol consumption in 2019. Findings: In 2019, 370000 (95% uncertainty interval [UI], 338000-401000) cases and 199000 (95% UI, 181000-217000) deaths for LOC and 167000 (95% UI, 153000-180000) cases and 114000 (95% UI, 103000-126000) deaths for OPC were estimated to occur globally, contributing 5.5 million (95% UI, 5.0-6.0 million) and 3.2 million (95% UI, 2.9-3.6 million) DALYs, respectively. From 1990 to 2019, low-middle and low SDI regions consistently showed the highest age-standardized mortality rates due to LOC and OPC, while the high SDI strata exhibited age-standardized incidence rates decreasing for LOC and increasing for OPC. Globally in 2019, smoking had the greatest contribution to risk-attributable OPC deaths for both sexes (55.8% [95% UI, 49.2%-62.0%] of all OPC deaths in male individuals and 17.4% [95% UI, 13.8%-21.2%] of all OPC deaths in female individuals). Smoking and alcohol both contributed to substantial LOC deaths globally among male individuals (42.3% [95% UI, 35.2%-48.6%] and 40.2% [95% UI, 33.3%-46.8%] of all risk-attributable cancer deaths, respectively), while chewing tobacco contributed to the greatest attributable LOC deaths among female individuals (27.6% [95% UI, 21.5%-33.8%]), driven by high risk-attributable burden in South and Southeast Asia. Conclusions and Relevance: In this systematic analysis, disparities in LOC and OPC burden existed across the SDI spectrum, and a considerable percentage of burden was attributable to tobacco and alcohol use. These estimates can contribute to an understanding of the distribution and disparities in LOC and OPC burden globally and support cancer control planning efforts. © 2023 American Medical Association. All rights reserved.